Home / 2,792.18-4,188.35-1,147.59

Finding the Fourth Proportional to 2,792.18, 4,188.35 and 1,147.59

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Solution

The fourth proportional to 2,792.18, 4,188.35 and 1,147.59 is: 1,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.18 : 4,188.35 = 1,147.59 : x
  2. Step 2: Convert to fraction form
    2,792.18/4,188.35 = 1,147.59/x
  3. Step 3: Cross multiply
    2,792.18x = 4,188.35 × 1,147.59
  4. Step 4: Simplify right side
    2,792.18x = 4,806,511.45
  5. Step 5: Solve for x
    x = 4,806,511.45/2,792.18
  6. Step 6: Final answer
    x = 1,721.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.